Dict headless opt (#764)

* [improvement](headless) Enhance dictionary execution function,support clear dict data recording

* [fix](headless) fix dict value support space

---------

Co-authored-by: kanedai <kanedai@tencent.com>

headless/api/src/main/java/com/tencent/supersonic/headless/api/pojo/request/DictItemFilter.java

@@ -5,14 +5,11 @@ import com.tencent.supersonic.common.pojo.enums.TypeEnums;
 import lombok.Builder;
 import lombok.Data;
 
-import javax.validation.constraints.NotNull;
-
 @Data
 @Builder
 public class DictItemFilter {
     private Long id;
     private TypeEnums type;
     private Long itemId;
-    @NotNull
     private StatusEnum status;
 }